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src/kudu/gutil (some portions): Apache 2.0, and 3-clause BSD

Some portions of this module are derived from code in the Chromium project,
copyright (c) Google inc and (c) The Chromium Authors and licensed under the
Apache 2.0 License or the under the 3-clause BSD license:

  Copyright (c) 2013 The Chromium Authors. All rights reserved.

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src/kudu/gutil/utf: licensed under the following terms:

  UTF-8 Library

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--------------------------------------------------------------------------------

src/kudu/util (some portions): 3-clause BSD license

Some portions of this module are derived from code from LevelDB
( https://github.com/google/leveldb ):

  Copyright (c) 2011 The LevelDB Authors. All rights reserved.

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src/kudu/util/array_view.h: 3-clause BSD license with patent grant

  Copyright (c) 2015, The WebRTC project authors. All rights reserved.

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src/kudu/common/zp7.cc: MIT license

  ZP7 (Zach's Peppy Parallel-Prefix-Popcountin' PEXT/PDEP Polyfill)

  Copyright (c) 2020 Zach Wegner

  Permission is hereby granted, free of charge, to any person obtaining a copy
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--------------------------------------------------------------------------------

www/d3.v2.js: BSD 3-clause license

   Copyright (c) 2012, Michael Bostock
   All rights reserved.

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--------------------------------------------------------------------------------

www/epoch.*: MIT license

  Copyright (c) 2014 Fastly, Inc.

  Permission is hereby granted, free of charge, to any person obtaining a copy
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--------------------------------------------------------------------------------

www/jquery*.js: MIT license

  Copyright 2005, 2014 jQuery Foundation and other contributors,
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  This software consists of voluntary contributions made by many
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--------------------------------------------------------------------------------

java/kudu-client/: Some classes are derived from the AsyncHBase project
under the following 3-clause BSD license:

  Copyright (C) 2010-2012  The Async HBase Authors.  All rights reserved.
  This file is part of Async HBase.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
    - Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    - Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
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    - Neither the name of the StumbleUpon nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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================================================================================

src/kudu/util/x509_check_host.*: OpenSSL software license:

  LICENSE ISSUES
  ==============

  The OpenSSL toolkit stays under a dual license, i.e. both the conditions of
  the OpenSSL License and the original SSLeay license apply to the toolkit.
  See below for the actual license texts.

  OpenSSL License
  ---------------

  ====================================================================
  Copyright (c) 1998-2016 The OpenSSL Project.  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:

  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.

  3. All advertising materials mentioning features or use of this
     software must display the following acknowledgment:
     "This product includes software developed by the OpenSSL Project
     for use in the OpenSSL Toolkit. (http://www.openssl.org/)"

  4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     endorse or promote products derived from this software without
     prior written permission. For written permission, please contact
     openssl-core@openssl.org.

  5. Products derived from this software may not be called "OpenSSL"
     nor may "OpenSSL" appear in their names without prior written
     permission of the OpenSSL Project.

  6. Redistributions of any form whatsoever must retain the following
     acknowledgment:
     "This product includes software developed by the OpenSSL Project
     for use in the OpenSSL Toolkit (http://www.openssl.org/)"

  THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  OF THE POSSIBILITY OF SUCH DAMAGE.
  ====================================================================

  This product includes cryptographic software written by Eric Young
  (eay@cryptsoft.com).  This product includes software written by Tim
  Hudson (tjh@cryptsoft.com).


  Original SSLeay License
  -----------------------

  Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  All rights reserved.

  This package is an SSL implementation written
  by Eric Young (eay@cryptsoft.com).
  The implementation was written so as to conform with Netscapes SSL.

  This library is free for commercial and non-commercial use as long as
  the following conditions are aheared to.  The following conditions
  apply to all code found in this distribution, be it the RC4, RSA,
  lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  included with this distribution is covered by the same copyright terms
  except that the holder is Tim Hudson (tjh@cryptsoft.com).

  Copyright remains Eric Young's, and as such any Copyright notices in
  the code are not to be removed.
  If this package is used in a product, Eric Young should be given attribution
  as the author of the parts of the library used.
  This can be in the form of a textual message at program startup or
  in documentation (online or textual) provided with the package.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
  3. All advertising materials mentioning features or use of this software
     must display the following acknowledgement:
     "This product includes cryptographic software written by
      Eric Young (eay@cryptsoft.com)"
     The word 'cryptographic' can be left out if the rouines from the library
     being used are not cryptographic related :-).
  4. If you include any Windows specific code (or a derivative thereof) from
     the apps directory (application code) you must include an acknowledgement:
     "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

  THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  SUCH DAMAGE.

  The licence and distribution terms for any publically available version or
  derivative of this code cannot be changed.  i.e. this code cannot simply be
  copied and put under another distribution licence
  [including the GNU Public Licence.]

================================================================================

The following dependencies or pieces of incorporated source code have licenses
under one of the following categories:

  (a) do not require their license text to be re-distributed with binary
      distributions (e.g. Boost license)

  (b) have no requirements about re-distributing their license text in either
      source or binary distributions (e.g. public domain)

  (c) require inclusion of the license text in both source and binary distributions,
      but are used only at build-time and thus not incorporated in binary artifacts
      (e.g. BSD- or MIT-licensed build tooling)

  (d) are the same Apache 2.0 license reproduced in its entirety above.

Therefore, we do not reproduce their licenses in their entirety in this file.
--------------------------------------------------------------------------------

.ycm_extra_conf.py: public domain
cmake_modules/FindGMock.cmake: MIT license, build-only
cmake_modules/FindProtobuf.cmake: BSD 3-clause license, build-only
src/kudu/util (HdrHistogram-related classes): public domain
src/kudu/gutil/valgrind.h: Hybrid BSD (half BSD, half zlib)
  - See the file headers for full license text.
build-support/iwyu (some portions): LLVM Release License.
  - See thirdparty/LICENSE.txt for full license text.

src/kudu/server/url-coding.cc (some portions): Boost software license

www/bootstrap: Apache 2.0 license
java/kudu-client/src/main/java/org/apache/kudu/util/{Slice,Slices}.java: Apache 2.0 license
java/gradlew: Apache 2.0 license
  - See above for full text.

================================================================================

Note on thirdparty dependencies downloaded during the build process
-------------------------------------------------------------------
The Kudu build process downloads many thirdparty dependencies automatically.
Many of these dependencies are statically linked into the resulting Kudu
binaries. Please refer to thirdparty/LICENSE.txt for relevant information.